//package com.ptu.spzx.user.service;
//
//import com.baomidou.mybatisplus.extension.service.IService;
//import com.ptu.spzx.model.entity.system.SysCourseUser;
//import com.ptu.spzx.model.entity.user.UserInfo;
//
//import java.util.List;
//
//public interface CourseUserService extends IService<SysCourseUser> {
//    void addCourseUser(List<Long> teachIds, Long courseId);
//
//    void deleteCourseUser(Long curseId);
//
//    List<Long> selectCourseIdByteachId(Long teachId);
//
//    List<Long> selectTeacherIdByCourseId(Long courseId);
//}
